MANTECH

Author

Joseph H

1 Intoduction

Hello, I’m Joseph from Morocco.

Inspired by Hans Rosling’s TED Talk, I taught myself data scraping, analysis, and visualization.
This non-academic approach has given me a unique perspective, as reflected in my projects—though it also means I may require a thorough onboarding process to align with team standards.

I’m open to starting as an intern, either full-time or part-time. Regarding time zones, I’m in UTC+1, but I’m flexible and can adjust my schedule to accommodate the team’s needs.

Feel free to reach me at joseph.ergo@proton.me, and to visit my website for more projects josephelhaddad.github.io.

This custom report, generated from processing 1.4 TB of public data locally, aims to explore the workforce dynamics of a company—up to 2020.
Essentially, I am doing research on a company that does research.

2 About the project

The project came to life after realizing that web scraping doesn’t allow deep-level filtering—without consuming too much time.The irony is, this project itself took me about a month, but the final RDB contains more data than I could ever scrape.

The raw data was 1.4 TB in size and holds information previously scraped.
Processing was done on my local machine using Python, Polars, and DuckDB, following this workflow:
- Processed raw data into structured Parquet files using Polars.
- Transformed each Parquet file into mini RDBs using Polars.
- Merged all mini RDBs into one using DuckDB.
- Analyzed and filtered data to fit the current project.

Alt text

3 EDA

3.1 information technology and services indestry’s yearly new recruit count

3.2 mantech’s workforce status over the years

4 Workforce sample

4.1 Abid Rizvi

Job title: Enterprise architect
Socials: https://linkedin.com/in/abid-rizvi-1b6abb14

4.1.1 Abid Rizvi’s working period at mantech

4.1.2 Gantt plot of Abid Rizvi’s experience

4.2 Alex Coffey

Job title: Consultant
Socials: https://linkedin.com/in/alex-coffey-a9195a1 | https://linkedin.com/in/alexcoffey | https://twitter.com/alexcoffey2

4.2.1 Alex Coffey’s working period at mantech

4.2.2 Gantt plot of Alex Coffey’s experience

4.3 Carl Mcleod

Job title: Principal systems analyst, sme iii
Socials: https://linkedin.com/in/carl-mcleod-6b557415 | https://facebook.com/devdawgg

4.3.1 Carl Mcleod’s working period at mantech

4.3.2 Gantt plot of Carl Mcleod’s experience

4.4 Chuck Paris

Job title: Contract recruiter via stillwater human capital
Socials: https://linkedin.com/in/chuck-paris-a08b171 | https://linkedin.com/in/chuckparis | https://twitter.com/recruitervetusa

4.4.1 Chuck Paris’s working period at mantech

4.4.2 Gantt plot of Chuck Paris’s experience

4.5 Danny Jessee

Job title: Senior principal web developer
Socials: https://meetup.com/members/31345162 | https://linkedin.com/in/danny-jessee-49584a94 | https://linkedin.com/in/danny-jessee-ab0bb4 | https://facebook.com/dannyjessee | https://linkedin.com/in/dannyjessee | https://twitter.com/dannyjessee | https://youtube.com/user/finklestein5 | https://stackoverflow.com/users/827374

4.5.1 Danny Jessee’s working period at mantech

4.5.2 Gantt plot of Danny Jessee’s experience

4.6 Dave Uhly

Job title: Principal technical recruiter, intelligence sector
Socials: https://linkedin.com/in/dave-uhly-598ab18

4.6.1 Dave Uhly’s working period at mantech

4.6.2 Gantt plot of Dave Uhly’s experience

4.7 David Garlinghouse

Job title: Field service representative gboss
Socials: https://linkedin.com/in/david-garlinghouse-87749b13 | https://linkedin.com/in/davidrgarlinghouse

4.7.1 David Garlinghouse’s working period at mantech

4.7.2 Gantt plot of David Garlinghouse’s experience

4.8 Dean Hinkle

Job title: Director of counterintelligence and security
Socials: https://linkedin.com/in/dean-hinkle-4644b314

4.8.1 Dean Hinkle’s working period at mantech

4.8.2 Gantt plot of Dean Hinkle’s experience

4.9 Donna Laurino

Job title: Project coordinator and proposal coordinator
Socials: https://linkedin.com/in/donna-m-laurino-469815b

4.9.1 Donna Laurino’s working period at mantech

4.9.2 Gantt plot of Donna Laurino’s experience

4.10 Gail Daras

Job title: Action officer
Socials: https://facebook.com/gail.daras | https://linkedin.com/in/gaildaras

4.10.1 Gail Daras’s working period at mantech

4.10.2 Gantt plot of Gail Daras’s experience

4.11 Isaac Ojeda

Job title: Subject matter expert
Socials: https://linkedin.com/in/isaac-ojeda-0b23492

4.11.1 Isaac Ojeda’s working period at mantech

4.11.2 Gantt plot of Isaac Ojeda’s experience

4.12 Jeff Husband

Job title: Senior citrix systems administrator
Socials: https://linkedin.com/in/jeff-husband-2054026 | https://linkedin.com/in/jeffhusband | https://linkedin.com/in/jeffhusband1968

4.12.1 Jeff Husband’s working period at mantech

4.12.2 Gantt plot of Jeff Husband’s experience

4.13 Joseph Augsburger

Job title: ****
Socials: https://linkedin.com/in/joseph-augsburger-47285598 | https://linkedin.com/in/joseph-augsburger-mba-47285598 | https://linkedin.com/in/joseph-augsburger-mba-csm-47285598

4.13.1 Joseph Augsburger’s working period at mantech

4.13.2 Gantt plot of Joseph Augsburger’s experience

4.14 Julene Amerson

Job title: Lead data analyst
Socials: https://linkedin.com/in/juleneamerson

4.14.1 Julene Amerson’s working period at mantech

4.14.2 Gantt plot of Julene Amerson’s experience

4.15 Kristopher Malloy

Job title: Principal system analyst
Socials: https://linkedin.com/in/kristophermalloy | https://facebook.com/kristophermalloy

4.15.1 Kristopher Malloy’s working period at mantech

4.15.2 Gantt plot of Kristopher Malloy’s experience

4.16 Levar Wilson

Job title: Technical trainer, senior
Socials: https://linkedin.com/in/levar-wilson-a634a525 | https://facebook.com/levargwilson

4.16.1 Levar Wilson’s working period at mantech

4.16.2 Gantt plot of Levar Wilson’s experience

4.17 Michael Karie

Job title: Strategic planner and counterintelligence field activity
Socials: https://linkedin.com/in/michael-karie-8742096a

4.17.1 Michael Karie’s working period at mantech

4.17.2 Gantt plot of Michael Karie’s experience

4.18 Michelle Rampey

Job title: Divisional director of operations, network centric systems division
Socials: https://linkedin.com/in/michelle-rampey-99b52857 | https://linkedin.com/in/michellerampey

4.18.1 Michelle Rampey’s working period at mantech

4.18.2 Gantt plot of Michelle Rampey’s experience

4.19 Micola Brown

Job title: Network intrusion analyst
Socials: https://linkedin.com/in/micola-brown-6813844

4.19.1 Micola Brown’s working period at mantech

4.19.2 Gantt plot of Micola Brown’s experience

4.20 Morgan Ball

Job title: Wildlife biologist
Socials: https://linkedin.com/in/morgan-ball-1909a438

4.20.1 Morgan Ball’s working period at mantech

4.20.2 Gantt plot of Morgan Ball’s experience

4.21 Neil Wilson

Job title: Region operations manager
Socials: https://linkedin.com/in/neil-f-wilson | https://linkedin.com/in/neil-wilson-4512a388

4.21.1 Neil Wilson’s working period at mantech

4.21.2 Gantt plot of Neil Wilson’s experience

4.22 Phdc Ghazal Soleimani

Job title: Epidemiologist
Socials: https://linkedin.com/in/ghazal-soleimani-med-phdc-680a6128 | https://linkedin.com/in/soleimg

4.22.1 Phdc Ghazal Soleimani’s working period at mantech

4.22.2 Gantt plot of Phdc Ghazal Soleimani’s experience

4.23 Rob Fletcher

Job title: Senior systems analyst
Socials: https://linkedin.com/in/cybrrob | https://twitter.com/itechguy | https://linkedin.com/in/rlfletch | https://linkedin.com/in/rob-fletcher-43b64a1

4.23.1 Rob Fletcher’s working period at mantech

4.23.2 Gantt plot of Rob Fletcher’s experience

4.24 Rochelle Spain

Job title: Senior technical writer
Socials: https://linkedin.com/in/rochelle-spain-812b4914 | https://linkedin.com/in/rochelleaspain

4.24.1 Rochelle Spain’s working period at mantech

4.24.2 Gantt plot of Rochelle Spain’s experience

4.25 Roxann Edwards

Job title: Graphic designer
Socials: https://linkedin.com/in/roxannedwards

4.25.1 Roxann Edwards’s working period at mantech

4.25.2 Gantt plot of Roxann Edwards’s experience

4.26 Russell Grant

Job title: Consultant training provider
Socials: https://linkedin.com/in/russell-grant-1141a555 | https://facebook.com/russell.grant.5245

4.26.1 Russell Grant’s working period at mantech

4.26.2 Gantt plot of Russell Grant’s experience

4.27 Scott Lockhart

Job title: Senior engineer
Socials: https://linkedin.com/in/scott-lockhart-22a7b11 | https://facebook.com/scott.lockhart.581

4.27.1 Scott Lockhart’s working period at mantech

4.27.2 Gantt plot of Scott Lockhart’s experience

4.28 Tamara Mccaughey

Job title: Senior proposal analyst
Socials: https://linkedin.com/in/tamaramccaughey

4.28.1 Tamara Mccaughey’s working period at mantech

4.28.2 Gantt plot of Tamara Mccaughey’s experience

4.29 Thomas Willard

Job title: Systems engineer sme
Socials: https://linkedin.com/in/thomas-willard-12a7357

4.29.1 Thomas Willard’s working period at mantech

4.29.2 Gantt plot of Thomas Willard’s experience

4.30 Tim Bailey